Produced 1977. The Seiko Bull Head reference 6138-0049, from 1977, is a 44mm chronograph with a black dial, named for its top-mounted pushers, and driven by the automatic caliber 6138 with hand-winding and a 45-hour reserve at 21,600 vph.
Open in The Dial Atlas
Specifications, configurations, image gallery, market listings, lineage and notable appearances are part of the full reference.